CN111899608A - High school physics horizontal projectile motion presentation device - Google Patents
High school physics horizontal projectile motion presentation device Download PDFInfo
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- CN111899608A CN111899608A CN201910369523.6A CN201910369523A CN111899608A CN 111899608 A CN111899608 A CN 111899608A CN 201910369523 A CN201910369523 A CN 201910369523A CN 111899608 A CN111899608 A CN 111899608A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/10—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies
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Abstract
The application provides a high school physics flat throwing motion presentation device, wherein, include: frame, elevating platform, background roll up curtain subassembly, send ball subassembly, service subassembly and sand table, the elevating platform goes up and down to set up in the frame, the curtain subassembly is rolled up with sending to the background and the setting of ball subassembly is in the roof upside of elevating platform, the service subassembly sets up the roof downside of elevating platform, just the service subassembly is connected send the lower extreme of ball subassembly, the roll curtain of curtain subassembly is rolled up to the background is in elevating movement between frame and the elevating platform, the sand table sets up in the frame, just the sand table is located roll curtain's downside, the track of service subassembly one end extends to roll up one side of curtain, the front side of rolling up the curtain can be dismantled and be provided with the check paper. The application provides a high school physics horizontal projectile motion presentation device has solved current presentation device and has had not directly perceived to physics horizontal projectile motion demonstration process, the unable problem of writing down in horizontal projectile motion route.
Description
Technical Field
The invention relates to the field of teaching aids, in particular to a high school physics horizontal projectile motion demonstration device.
Background
At present, teachers explain knowledge points in a dictation mode during teaching, physical knowledge has certain abstraction, students are difficult to master by means of imagination, the flat throw motion in high school physics is a curvilinear motion synthesized by two linear motions of horizontal uniform linear motion and free falling body motion, the high school physics flat throw motion demonstration device is convenient for the students to demonstrate experiments through the flat throw motion, the image perception flat throw motion is the sum of the horizontal uniform linear motion and the vertical free falling body motion, the synthesis and decomposition of displacement are understood, and the existing demonstration device has the problems that the demonstration process of the physical flat throw motion is not visual, and the flat throw motion path cannot be recorded.
Disclosure of Invention
The invention aims to provide a high school physics horizontal projectile motion demonstration device, and solves the problems that the demonstration process of physics horizontal projectile motion is not visual and the horizontal projectile motion path cannot be recorded in the existing demonstration device.
In order to solve the technical problems, the invention provides the following technical scheme:
a high school physics horizontal projectile motion presentation device, comprising: frame, elevating platform, background roll up curtain subassembly, send ball subassembly, service subassembly and sand table, the elevating platform goes up and down to set up in the frame, the curtain subassembly is rolled up with sending to the background and the setting of ball subassembly is in the roof upside of elevating platform, the service subassembly sets up the roof downside of elevating platform, just the service subassembly is connected send the lower extreme of ball subassembly, the roll curtain of curtain subassembly is rolled up to the background is in elevating movement between frame and the elevating platform, the sand table sets up in the frame, just the sand table is located roll curtain's downside, the track of service subassembly one end extends to roll up one side of curtain, the front side of rolling up the curtain can be dismantled and be provided with the check paper.
Furthermore, the ball feeding assembly comprises an installation shell, a ball inlet connected to the upper side of the installation shell and a push rod arranged at one end of the installation shell and used for pushing a ball to roll, a coloring channel and a ball discharging channel connected to one end of the coloring channel are arranged in the installation shell, a dye groove is formed in the bottom of the coloring channel, and sponge and dye are filled in the dye groove.
Furthermore, the service assembly comprises a base, a pair of side plates are arranged on the base, a sliding cavity and a ball placing cavity are formed between the side plates, the ball placing cavity is located at the front end of the sliding cavity, and the ball placing cavity is connected to the lower end of the lower ball channel.
Furthermore, a guide shaft, a second spring and a pushing piece are arranged in the sliding cavity, one end of the guide shaft is fixed on the fixed block at the rear side of the sliding cavity, the other end of the guide shaft extends to the rear end of the ball placing cavity, the second spring and the pushing piece are both sleeved on the guide shaft, and one end of the second spring abuts against the rear side of the pushing piece.
Furthermore, the pushing part comprises a panel, sliding wings are arranged on two sides of the panel, limiting grooves are formed in the side plates, and the sliding wings on the two sides of the panel extend into the limiting grooves of the pair of side plates respectively.
Furthermore, the pushing member further comprises a convex column fixed at the front end of the panel, the front end of the convex column is concave, and a through hole for the guide shaft to pass through is formed in the center of the convex column.
Further, the background roller shutter assembly further comprises a roller shutter motor and a roller, the roller is rotatably arranged on the top plate, the roller shutter motor is connected to one end of the roller, and the roller shutter is wound on the roller.
Furthermore, the lifting platform is arranged on the rack in a lifting mode through a lifting transmission mechanism, the lifting transmission mechanism comprises gears arranged on two sides of the rack and racks arranged on the inner side of a lifting column of the lifting platform, and the gears are meshed with the racks.
Furthermore, the lifting transmission mechanism further comprises a first belt wheel, a second belt wheel, a belt and a lifting motor, wherein the first belt wheel and the second belt wheel are coaxially arranged with the gears on two sides of the rack respectively, the belt is sleeved on the first belt wheel and the second belt wheel, and the lifting motor drives the first belt wheel to rotate.
According to the technical scheme, the invention has the following beneficial effects:
because the height of the lifting platform can be lifted to adjust the throwing height of the ball, and the pull-down length of the roller shutter of the background roller shutter assembly can be adjusted, the invention has compact structure and can reasonably utilize the checkered paper to record the throwing path of the ball;
because the dyeing tank is arranged in the ball sending assembly, the thrown ball is colored, so that the ball leaves traces of paths on the checkered paper, and students can more intuitively study physical horizontal throwing movement and understand movement synthesis and decomposition.
The invention is described in further detail below with reference to the figures and the detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram of a ball delivery assembly of the present invention.
Fig. 3 is a schematic view showing the construction of a background roll screen assembly according to the present invention.
Fig. 4 is a schematic structural view of the ball serving assembly of the present invention.
FIG. 5 is a schematic view of the structure of the pusher of the present invention.
Description of reference numerals: frame-1, table-11, lifting table-2, top plate-21, lifting column-22, background rolling screen component-3, rolling screen motor-31, reel-32, rolling screen-33, checkered paper-331, ball-feeding component-4, mounting shell-41, stopper-411, dye groove-42, sponge-43, coloring channel-45, ball-dropping channel-46, ball-inlet-47, push rod-48, spring-49, ball-serving component-5, base-51, rail-511, side plate-52, limit groove-521, sliding cavity-522, ball-placing cavity-523, guide shaft-53, spring-54, push piece-55, panel-551, sliding wing-552, convex column-553, The sand table comprises a concave surface-554, a through hole-555, a boss-556, a fixed block-56, a sand table-6, a lifting transmission mechanism-7, a first belt wheel-71, a second belt wheel-72, a belt-73, a gear-74 and a rack-75.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
For further explanation of the present application with reference to fig. 1 to 5, a high school physical panning motion demonstrating device as shown in fig. 1 comprises: a frame 1, a lifting platform 2, a background rolling curtain component 3, a ball sending component 4, a ball serving component 5 and a sand table 6, the lifting platform 2 is arranged on the frame 1 in a lifting way, the background roller shutter component 3 and the ball sending component 4 are arranged on the upper side of the top plate 21 of the lifting platform 2, the ball sending component 5 is arranged on the lower side of the top plate 21 of the lifting platform 2, the ball serving component 5 is connected with the lower end of the ball sending component 4, the roller shutter 33 of the background roller shutter component 3 moves up and down between the frame 1 and the lifting platform 2, the sand table 6 is arranged on the frame 1, and the sand table 6 is positioned at the lower side of the rolling screen 33, the track 511 at one end of the ball serving assembly 5 extends to one side of the rolling screen 33, the check paper 331 is detachably arranged on the front side of the roller shutter 33, the throwing path of the ball is recorded, the research can be checked at any time, and students can understand the synthesis and decomposition of the horizontal projectile motion deeply.
As shown in fig. 1 and 2, the ball feeding assembly 4 includes an installation shell 41, a ball inlet 47 connected to the upper side of the installation shell 41, and a push rod 48 disposed at one end of the installation shell 41 for pushing a ball to roll, a coloring channel 45 and a ball discharging channel 46 connected to one end of the coloring channel 45 are provided in the installation shell 41, a dye trough 42 is provided at the bottom of the coloring channel 45, a sponge 43 and a dye are filled in the dye trough 42, the ball placed in the coloring channel 45 from the ball inlet 47 is dyed by the dye trough 42.
Still have in the installation shell 41 and be located painted passageway 45 with dog 411 has between ball passageway 46 down, the cover is equipped with spring 49 on the catch bar 48, spring 49 is used for the restoration of catch bar 48, catch bar 48 promotes the ball and rolls on the sponge 43 in dye trough 42, realizes even dyeing, works as the ball that the catch bar 48 promoted rolling on the sponge 43 crosses behind the dog 411, the ball enters in ball passageway 46 down.
As shown in fig. 1 and 4, the ball serving assembly 5 includes a base 51, a pair of side plates 52 is disposed on the base 51, a sliding cavity 522 and a ball placing cavity 523 are formed between the pair of side plates 52, the ball placing cavity 523 is located at a front end of the sliding cavity 522, and the ball placing cavity 523 is connected to a lower end of the lower ball channel 46, so that a ball in the lower ball channel 46 falls into the ball placing cavity 523.
A guide shaft 53, a second spring 54 and a pushing member 55 are arranged in the sliding cavity 522, one end of the guide shaft 53 is fixed on the fixed block 56 at the rear side of the sliding cavity 522, the other end of the guide shaft 53 extends to the rear end of the ball placing cavity 523, the second spring 54 and the pushing member 55 are both sleeved on the guide shaft 53, and one end of the second spring 54 abuts against the rear side of the pushing member 55.
As shown in fig. 4 and 5, the pushing member 55 includes a panel 551, both sides of the panel 551 are provided with sliding wings 552, the side plates 52 are provided with limiting grooves 521, the sliding wings 552 on both sides of the panel 551 extend into the limiting grooves 521 of the pair of side plates 52 respectively, the sliding wings 552 are pulled backwards to a preset position, the pushing member 55 slides forwards under the action of the elastic force of the second spring 54 until the sliding wings 552 abut against the front ends of the limiting grooves 521, and the pushing member 55 stops sliding forwards.
The pushing member 55 further comprises a boss 553 fixed at the front end of the panel 551, the front end of the boss 553 is a concave surface 554, the center of the boss 553 is provided with a through hole 555 for the guide shaft 53 to pass through, and when the pushing member 55 slides forwards to the front end position of the sliding cavity 522, the concave surface 554 at the front end of the boss 553 pushes forwards the ball placed in the ball placing cavity 523, so that the ball rolls forwards.
The rear side of the through hole 555 has a boss 556, and the other end of the guiding shaft 53 has a rib which can abut against the boss 556, so as to prevent the pushing member 55 from ejecting from the other end of the guiding shaft 53.
The base 51 is further provided with a track 511, and the track 511 is connected to the front end of the ball placing cavity 523, so that a ball rolled out from the ball placing cavity 523 rolls along the track 511 and is thrown out from the front end of the track 511 to perform a simulated physical flat throwing motion.
As shown in fig. 1 and 3, the background roller blind assembly 3 further includes a roller blind motor 31 and a roller 32, the roller 32 is rotatably disposed on the top plate 21, the roller blind motor 31 is connected to one end of the roller 32, the roller blind 33 is wound on the roller 32, the roller blind motor 31 drives the roller 32 to rotate, the roller blind 33 is lifted and lowered, the pull-down length of the roller blind 33 is adjusted according to the lifting height of the lifting platform 2, so that the pull-down length of the roller blind 33 is matched with the lifting height of the lifting platform 2, and the check paper 331 located on the front side of the roller blind is reasonably utilized.
The scale is drawn on the edge of one side of the roller shutter 33, the scale is drawn on the lower edge of the roller shutter 33, the falling position of a ball is conveniently recorded, and the lower end of the roller shutter 33 can be inserted on the table top 11 of the rack 1 to prevent the roller shutter 33 from shaking.
As shown in fig. 1, the lifting platform 2 is arranged on the frame 1 in a lifting manner through a lifting transmission mechanism 7, the lifting transmission mechanism 7 comprises gears 74 arranged on two sides of the frame 1 and a rack 75 arranged on the inner side of the lifting column 22 of the lifting platform 2, and the gears 74 are meshed with the rack 75.
Lifting transmission mechanism 7 still includes first band pulley 71, second band pulley 72, belt 73 and elevator motor, first band pulley 71 and second band pulley 72 respectively with the coaxial setting of gear 74 of frame 1 both sides, the belt 73 cover is established on first band pulley 71 and the second band pulley 72, the elevator motor drive first band pulley 71 rotates, belt 73 drives second band pulley 72 rotates, first band pulley 71 and second band pulley 72 drive and drive respectively the gear 74 of frame 1 both sides rotates, makes rack 75 drives the whole elevating movement of elevating platform 2 is adjusted the height of elevating platform 2 realizes changing throwing out height of flat section motion.
Four stand columns are supported on the lower side of a top plate 21 of the lifting platform 2, the four stand columns extend downwards through a table board 11 of the rack 1, the lifting columns 22 are installed on two sides of the top plate 21, the lifting columns 22 penetrate through the table board 11 of the rack 1, and the four stand columns support four corners of the lower side of the top plate 21, so that the lifting platform 2 is effectively prevented from overturning.
When the device is used, according to experimental requirements, the height of the lifting platform 2 and the height of the rolling screen 33 are adjusted, a ball is thrown into the mounting shell 41 from the ball inlet 47, the ball is pushed to roll forwards through the push rod 48, the ball is dyed by the dyeing trough 42 in the process of rolling forwards, dye is attached to the surface of the ball until the ball is pushed to pass through the stop 411, the ball enters the ball descending channel 46 and falls into the ball placing cavity 523, the sliding wing 552 is pulled backwards along the limiting groove 521 to a preset position, then the hand is loosened, under the action of the elastic force of the spring two 54, the concave surface 554 at the front end of the convex column 553 pushes the ball to roll forwards from the ball placing cavity 523 onto the rail 511 and is thrown out from the front end of the rail 511, the ball leaves traces of a cutting path on the square lattice paper 331 and finally falls into the sand table 6, and the demonstration process is visual, The operation is simple.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A high school physics horizontal projectile motion presentation device, its characterized in that includes: the automatic ball feeding device comprises a rack (1), a lifting platform (2), a background rolling curtain component (3), a ball feeding component (4), a ball serving component (5) and a sand table (6), wherein the lifting platform (2) is arranged on the rack (1) in a lifting way, the background rolling curtain component (3) and the ball feeding component (4) are arranged on the upper side of a top plate (21) of the lifting platform (2), the ball serving component (5) is arranged on the lower side of the top plate (21) of the lifting platform (2), the ball feeding component (5) is connected to the lower end of the ball feeding component (4), a rolling curtain (33) of the background rolling curtain component (3) moves up and down between the rack (1) and the lifting platform (2), the sand table (6) is arranged on the rack (1), the sand table (6) is positioned on the lower side of the rolling curtain (33), and a rail (511) at one end of the ball feeding component (5) extends to one side of the rolling curtain (33), the front side of the roller shutter (33) is detachably provided with a piece of checkered paper (331).
2. The high school physics projectile motion demonstration device according to claim 1, wherein the ball feeding assembly (4) comprises a mounting shell (41), a ball inlet (47) connected to the upper side of the mounting shell (41), and a push rod (48) arranged at one end of the mounting shell (41) for pushing a ball to roll, a coloring channel (45) and a ball dropping channel (46) connected to one end of the coloring channel (45) are arranged in the mounting shell (41), a dye groove (42) is arranged at the bottom of the coloring channel (45), and a sponge (43) and a dye are filled in the dye groove (42).
3. The high school physics projectile motion demonstration device according to claim 2, wherein the ball serving assembly (5) comprises a base (51), a pair of side plates (52) are arranged on the base (51), a sliding cavity (522) and a ball placing cavity (523) are formed between the pair of side plates (52), the ball placing cavity (523) is located at the front end of the sliding cavity (522), and the ball placing cavity (523) is connected with the lower end of the lower ball channel (46).
4. The high school physics projectile motion demonstration device according to claim 3, wherein a guide shaft (53), a second spring (54) and a pushing member (55) are arranged in the sliding cavity (522), one end of the guide shaft (53) is fixed on a fixed block (56) at the rear side of the sliding cavity (522), the other end of the guide shaft (53) extends to the rear end of the ball placing cavity (523), the second spring (54) and the pushing member (55) are both sleeved on the guide shaft (53), and one end of the second spring (54) abuts against the rear side of the pushing member (55).
5. The high school physics projectile motion demonstration device according to claim 4, wherein the pushing element (55) comprises a panel (551), the two sides of the panel (551) are provided with sliding wings (552), the side plates (52) are provided with limiting grooves (521), and the sliding wings (552) on the two sides of the panel (551) respectively extend into the limiting grooves (521) of the pair of side plates (52).
6. The high school physical panning motion demonstration device according to claim 5, wherein the push member (55) further comprises a boss (553) fixed to the front end of the face plate (551), the front end of the boss (553) is concave (554), and the center of the boss (553) has a through hole (555) for passing the guide shaft (53).
7. The high school physics projectile motion demonstration device according to claim 1, wherein the background roller blind assembly (3) further comprises a roller blind motor (31) and a roller blind (32), wherein the roller blind (32) is rotatably disposed on the top plate (21), the roller blind motor (31) is connected to one end of the roller blind (32), and the roller blind (33) is wound on the roller blind (32).
8. The high school physics projectile motion demonstration device according to claim 1, wherein the lifting platform (2) is arranged on the frame (1) in a lifting way through a lifting transmission mechanism (7), the lifting transmission mechanism (7) comprises gears (74) arranged on two sides of the frame (1) and racks (75) arranged on the inner sides of the lifting columns (22) of the lifting platform (2), and the gears (74) are meshed with the racks (75).
9. The high school physics horizontal projectile motion demonstration device according to claim 8, wherein the lifting transmission mechanism (7) further comprises a first belt wheel (71), a second belt wheel (72), a belt (73) and a lifting motor, the first belt wheel (71) and the second belt wheel (72) are respectively arranged coaxially with the gears (74) on two sides of the frame (1), the belt (73) is sleeved on the first belt wheel (71) and the second belt wheel (72), and the lifting motor drives the first belt wheel (71) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910369523.6A CN111899608A (en) | 2019-05-06 | 2019-05-06 | High school physics horizontal projectile motion presentation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910369523.6A CN111899608A (en) | 2019-05-06 | 2019-05-06 | High school physics horizontal projectile motion presentation device |
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| CN111899608A true CN111899608A (en) | 2020-11-06 |
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| CN201910369523.6A Pending CN111899608A (en) | 2019-05-06 | 2019-05-06 | High school physics horizontal projectile motion presentation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113651528A (en) * | 2021-08-18 | 2021-11-16 | 郭俊滔 | Cooling device for optical fiber drawing |
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| DE10105400A1 (en) * | 2000-02-16 | 2001-08-30 | Pascal Schmitt | Demonstration device for physical principle of independence of movement demonstrates constant acceleration and composite motions so as to enable them to be observed in slower form |
| CN103544868A (en) * | 2013-07-27 | 2014-01-29 | 苍南县利新科教仪器有限公司 | Horizontal-casting sectional demonstration experimental device and experimental method thereof |
| CN106997708A (en) * | 2017-03-31 | 2017-08-01 | 李子衿 | A kind of apparatus for demonstrating horizontal throw motion of automation |
| CN108847094A (en) * | 2018-07-20 | 2018-11-20 | 佛山科枫文化传播有限公司 | A kind of education physical throwing exercise testing device |
| CN209118571U (en) * | 2018-06-04 | 2019-07-16 | 石泽润 | A kind of physics flat parabolic experimental device |
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2019
- 2019-05-06 CN CN201910369523.6A patent/CN111899608A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10105400A1 (en) * | 2000-02-16 | 2001-08-30 | Pascal Schmitt | Demonstration device for physical principle of independence of movement demonstrates constant acceleration and composite motions so as to enable them to be observed in slower form |
| CN103544868A (en) * | 2013-07-27 | 2014-01-29 | 苍南县利新科教仪器有限公司 | Horizontal-casting sectional demonstration experimental device and experimental method thereof |
| CN106997708A (en) * | 2017-03-31 | 2017-08-01 | 李子衿 | A kind of apparatus for demonstrating horizontal throw motion of automation |
| CN209118571U (en) * | 2018-06-04 | 2019-07-16 | 石泽润 | A kind of physics flat parabolic experimental device |
| CN108847094A (en) * | 2018-07-20 | 2018-11-20 | 佛山科枫文化传播有限公司 | A kind of education physical throwing exercise testing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113651528A (en) * | 2021-08-18 | 2021-11-16 | 郭俊滔 | Cooling device for optical fiber drawing |
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Application publication date: 20201106 |
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